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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Revenue: |  |  |  |
Contract services | $ 6,100 | $ 8,500 | $ 12,500 | $ 24,900
Total Revenue | 44,000 | 63,400 | 51,200 | 153,400
Cost of Sales: |  |  |  |
Separative work units and uranium | 42,100 | 49,300 | 44,400 | 114,800
Contract services | 6,200 | 8,600 | 13,600 | 17,300
Total cost of sales | 48,300 | 57,900 | 58,000 | 132,100
Gross profit (loss) | (4,300) | 5,500 | (6,800) | 21,300
Advanced technology license and decommissioning costs | 4,400 | 4,700 | 10,500 | 16,700
Selling, general and administrative | 9,700 | 12,500 | 22,100 | 23,900
Amortization of intangible assets | 2,000 | 2,700 | 3,200 | 5,900
Special charges for workforce reductions | 2,300 | 600 | 4,700 | 600
Other (income) | (700) | (400) | (1,700) | (700)
Operating (loss) | (22,000) | (14,600) | (45,600) | (25,100)
Gain on early extinguishment of debt | 0 | (16,700) | (33,600) | (16,700)
Interest expense | 700 | 5,100 | 3,600 | 10,100
Interest (income) | (300) | (100) | (600) | (400)
Income (loss) before income taxes | (22,400) | (2,900) | (15,000) | (18,100)
Provision (benefit) for income taxes | 0 | 0 | (200) | (600)
Net income (loss) | (22,400) | (2,900) | (14,800) | (17,500)
Preferred stock dividends, undeclared and cumulative | 2,000 | 0 | 3,000 | 0
Net income (loss) allocable to common stockholders | $ (24,400) | $ (2,900) | $ (17,800) | $ (17,500)
Net loss per share - basic and diluted | $ (2.69) | $ (0.32) | $ (1.96) | $ (1.92)
Weighted-average number of shares outstanding: |  |  |  |
Weighted Average Number of Shares Outstanding, Basic | 9,077 | 9,080 | 9,070 | 9,071
Weighted Average Number of Shares Outstanding, Diluted | 9,077 | 9,080 | 9,070 | 9,071
Separative Work Units [Member] |  |  |  |
Revenue: |  |  |  |
Revenue, Goods | $ 37,900 | $ 54,900 | $ 38,700 | $ 114,200
Uranium [Member] |  |  |  |
Revenue: |  |  |  |
Revenue, Goods | $ 0 | $ 0 | $ 0 | $ 14,300

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